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Use static inline functions for jail and prison

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This helps the compiler to optimize away dead code.
This commit is contained in:
Sebastian Huber
2019-05-10 15:59:04 +02:00
parent 5da04d6837
commit 36e8ad4374
2 changed files with 202 additions and 230 deletions
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202
freebsd/sys/sys/jail.h
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@@ -369,15 +369,56 @@ struct mount;
struct sockaddr;
struct statfs;
struct vfsconf;
#ifndef __rtems__
int jailed(struct ucred *cred);
#else /* __rtems__ */
static inline int
jailed(struct ucred *cred)
{
(void)cred;
return (0);
}
#endif /* __rtems__ */
#ifndef __rtems__
int jailed_without_vnet(struct ucred *);
#else /* __rtems__ */
static inline int
jailed_without_vnet(struct ucred *cred)
{
(void)cred;
return (0);
}
#endif /* __rtems__ */
void getcredhostname(struct ucred *, char *, size_t);
void getcreddomainname(struct ucred *, char *, size_t);
void getcredhostuuid(struct ucred *, char *, size_t);
#ifndef __rtems__
void getcredhostid(struct ucred *, unsigned long *);
#else /* __rtems__ */
static inline void
getcredhostid(struct ucred *cred, unsigned long *hostid)
{
(void)cred;
*hostid = 0;
}
#endif /* __rtems__ */
void prison0_init(void);
int prison_allow(struct ucred *, unsigned);
#ifndef __rtems__
int prison_check(struct ucred *cred1, struct ucred *cred2);
#else /* __rtems__ */
static inline int
prison_check(struct ucred *cred1, struct ucred *cred2)
{
(void)cred1;
(void)cred2;
return (0);
}
#endif /* __rtems__ */
int prison_owns_vnet(struct ucred *);
int prison_canseemount(struct ucred *cred, struct mount *mp);
void prison_enforce_statfs(struct ucred *cred, struct mount *mp,
@@ -385,10 +426,38 @@ void prison_enforce_statfs(struct ucred *cred, struct mount *mp,
struct prison *prison_find(int prid);
struct prison *prison_find_child(struct prison *, int);
struct prison *prison_find_name(struct prison *, const char *);
#ifndef __rtems__
int prison_flag(struct ucred *, unsigned);
#else /* __rtems__ */
static inline int
prison_flag(struct ucred *cred, unsigned flag)
{
(void)cred;
return (prison0.pr_flags & flag);
}
#endif /* __rtems__ */
#ifndef __rtems__
void prison_free(struct prison *pr);
#else /* __rtems__ */
static inline void
prison_free(struct prison *pr)
{
(void)pr;
}
#endif /* __rtems__ */
void prison_free_locked(struct prison *pr);
#ifndef __rtems__
void prison_hold(struct prison *pr);
#else /* __rtems__ */
static inline void
prison_hold(struct prison *pr)
{
(void)pr;
}
#endif /* __rtems__ */
void prison_hold_locked(struct prison *pr);
void prison_proc_hold(struct prison *);
void prison_proc_free(struct prison *);
@@ -398,12 +467,67 @@ int prison_equal_ip4(struct prison *, struct prison *);
#else /* __rtems__ */
#define prison_equal_ip4(p1, p2) 1
#endif /* __rtems__ */
#ifndef __rtems__
int prison_get_ip4(struct ucred *cred, struct in_addr *ia);
#else /* __rtems__ */
static inline int
prison_get_ip4(struct ucred *cred, struct in_addr *ia)
{
(void)cred;
(void)ia;
return (EAFNOSUPPORT);
}
#endif /* __rtems__ */
#ifndef __rtems__
int prison_local_ip4(struct ucred *cred, struct in_addr *ia);
#else /* __rtems__ */
static inline int
prison_local_ip4(struct ucred *cred, struct in_addr *ia)
{
(void)cred;
(void)ia;
return (0);
}
#endif /* __rtems__ */
#ifndef __rtems__
int prison_remote_ip4(struct ucred *cred, struct in_addr *ia);
#else /* __rtems__ */
static inline int
prison_remote_ip4(struct ucred *cred, struct in_addr *ia)
{
(void)cred;
(void)ia;
return (0);
}
#endif /* __rtems__ */
#ifndef __rtems__
int prison_check_ip4(const struct ucred *, const struct in_addr *);
#else /* __rtems__ */
static inline int
prison_check_ip4(const struct ucred *cred, const struct in_addr *ia)
{
(void)cred;
(void)ia;
return (0);
}
#endif /* __rtems__ */
int prison_check_ip4_locked(const struct prison *, const struct in_addr *);
#ifndef __rtems__
int prison_saddrsel_ip4(struct ucred *, struct in_addr *);
#else /* __rtems__ */
static inline int
prison_saddrsel_ip4(struct ucred *cred, struct in_addr *ia)
{
(void)cred;
(void)ia;
return (1);
}
#endif /* __rtems__ */
int prison_restrict_ip4(struct prison *, struct in_addr *);
int prison_qcmp_v4(const void *, const void *);
#ifdef INET6
@@ -412,17 +536,95 @@ int prison_equal_ip6(struct prison *, struct prison *);
#else /* __rtems__ */
#define prison_equal_ip6(p1, p2) 1
#endif /* __rtems__ */
#ifndef __rtems__
int prison_get_ip6(struct ucred *, struct in6_addr *);
#else /* __rtems__ */
static inline int
prison_get_ip6(struct ucred *cred, struct in6_addr *ia6)
{
(void)cred;
(void)ia6;
return (EAFNOSUPPORT);
}
#endif /* __rtems__ */
#ifndef __rtems__
int prison_local_ip6(struct ucred *, struct in6_addr *, int);
#else /* __rtems__ */
static inline int
prison_local_ip6(struct ucred *cred, struct in6_addr *ia6, int v6only)
{
(void)cred;
(void)ia6;
(void)v6only;
return (0);
}
#endif /* __rtems__ */
#ifndef __rtems__
int prison_remote_ip6(struct ucred *, struct in6_addr *);
#else /* __rtems__ */
static inline int
prison_remote_ip6(struct ucred *cred, struct in6_addr *ia6)
{
(void)cred;
(void)ia6;
return (0);
}
#endif /* __rtems__ */
#ifndef __rtems__
int prison_check_ip6(const struct ucred *, const struct in6_addr *);
#else /* __rtems__ */
static inline int
prison_check_ip6(const struct ucred *cred, const struct in6_addr *ia6)
{
(void)cred;
(void)ia6;
return (0);
}
#endif /* __rtems__ */
int prison_check_ip6_locked(const struct prison *, const struct in6_addr *);
#ifndef __rtems__
int prison_saddrsel_ip6(struct ucred *, struct in6_addr *);
#else /* __rtems__ */
static inline int
prison_saddrsel_ip6(struct ucred *cred, struct in6_addr *ia6)
{
(void)cred;
(void)ia6;
return (EAFNOSUPPORT);
}
#endif /* __rtems__ */
int prison_restrict_ip6(struct prison *, struct in6_addr *);
int prison_qcmp_v6(const void *, const void *);
#endif
#ifndef __rtems__
int prison_check_af(struct ucred *cred, int af);
#else /* __rtems__ */
static inline int
prison_check_af(struct ucred *cred, int af)
{
(void)cred;
(void)af;
return (0);
}
#endif /* __rtems__ */
#ifndef __rtems__
int prison_if(struct ucred *cred, struct sockaddr *sa);
#else /* __rtems__ */
static inline int
prison_if(struct ucred *cred, struct sockaddr *sa)
{
(void)cred;
(void)sa;
return (0);
}
#endif /* __rtems__ */
char *prison_name(struct prison *, struct prison *);
int prison_priv_check(struct ucred *cred, int priv);
int sysctl_jail_param(SYSCTL_HANDLER_ARGS);